Embed API – Ustream Enterprise Broadcasting API Documentation
http://ustream.github.io/api-docs/embed-api/index.html

ustream/embedapi · GitHub
https://github.com/ustream/embedapi

Embedding Ustream & Livestream Video – Mixify Forum
http://forum.mixify.com/discussion/282/embedding-ustream-livestream-video/p1

なんだよパラメータ渡せば行けるじゃん。なんでこんなに文献少ないのノノノのー